CF1760036531846-tsm20251009080619

IPLIST.NET - 163.82.157.in-addr.arpa

Search for IP or hostnames:

163.82.157.in-addr.arpa checked at 2025-10-09T19:02:11.792Z 1398ms 67/67/67 100% R:18

163.82.157.in-addr.arpa

NSpenguin.iis.u-tokyo.ac.jp
A2404:d540:1:8200:157:82:144:140 🇯🇵 UTnet
A157.82.144.140🇯🇵 UTnet
PTRpenguin.iis.u-tokyo.ac.jp
NSdns1.nc.u-tokyo.ac.jp
A2001:200:180::35:1 🇯🇵 WIDE Project
PTRdns1.nc.u-tokyo.ac.jp
A133.11.0.1🇯🇵 UTnet
PTRdns1.nc.u-tokyo.ac.jp
NSdns2.nc.u-tokyo.ac.jp
A2001:2c0:ce07:f900::2 🇯🇵 NTT PC Communications (InfoSphere)
A119.245.132.49🇯🇵 NTT PC Communications (InfoSphere)
NSdns3.nc.u-tokyo.ac.jp
A2001:200:180::35:3 🇯🇵 WIDE Project
PTRdns3.nc.u-tokyo.ac.jp
A157.82.0.1🇯🇵 UTnet
PTRdns3.nc.u-tokyo.ac.jp

82.157.in-addr.arpa

NSdns1.nc.u-tokyo.ac.jp
NSdns2.nc.u-tokyo.ac.jp
NSdns3.nc.u-tokyo.ac.jp

Up

Starts with same word

Starts similarily

AI analysis

163.82.157.in-addr.arpa is the parent of 178.163.82.157.in-addr.arpa and 1.163.82.157.in-addr.arpa.

163.82.157.in-addr.arpa is delegated to four name servers: penguin.iis.u-tokyo.ac.jp, dns1.nc.u-tokyo.ac.jp, dns2.nc.u-tokyo.ac.jp and dns3.nc.u-tokyo.ac.jp.

163.82.157.in-addr.arpa shares some name servers with other domains, for example 0.0.0.0.0.8.1.0.0.0.2.0.1.0.0.2.ip6.arpa, 79.69.130.in-addr.arpa, 21.11.133.in-addr.arpa, 23.11.133.in-addr.arpa and alab.t.u-tokyo.ac.jp.

these name servers are often used with ns1.t.u-tokyo.ac.jp, dns101.ecc.u-tokyo.ac.jp, dns.ecc.u-tokyo.ac.jp, ns.a.u-tokyo.ac.jp, ns1.s.u-tokyo.ac.jp, ns2.s.u-tokyo.ac.jp, ns-e6.keisu.t.u-tokyo.ac.jp, ns2.t.u-tokyo.ac.jp, akaringo.cc.u-tokyo.ac.jp and ringo.cc.u-tokyo.ac.jp.

Host names with two IP numbers

Two IPs per host:

penguin.iis.u-tokyo.ac.jp points to 2404:d540:1:8200:157:82:144:140 and 157.82.144.140

dns1.nc.u-tokyo.ac.jp points to 2001:200:180::35:1 and 133.11.0.1

dns2.nc.u-tokyo.ac.jp points to 2001:2c0:ce07:f900::2 and 119.245.132.49

dns3.nc.u-tokyo.ac.jp points to 2001:200:180::35:3 and 157.82.0.1

Perform reverse DNS lookup as well as normal forward DNS. Check Autonomous System Numbers (ASNs) and BGP connections between Internet Service Providers.
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VLtaYGl CF johedugfp 2025-10-09